Ipython Notebook: Elegant way of turning off part of cells?

Question

In my ipython notebook, there is part of cells that serves as preliminary inspection.

Now I want to turn it off, since after running it I know

Answer 1

Using Jupyter notebook you can click on a cell, press esc and then r. That converts it to a "raw" cell. Similar thing can be done to convert it back, esc + y. No comments needed, just key presses.

Within Jupyer notebook, go to Help -> Keyboard shortcuts for more.

Here's a snippet:

Command Mode (press Esc to enable)

• ↩ : enter edit mode

• ⇧↩ : run cell, select below

• ⌃↩ : run cell

• ⌥↩ : run cell, insert below

• y : to code

• m : to markdown

• r : to raw